This change replaces the usage of Service Tokens by OIDC tokens in the
instructions of Kubernetes cluster local and remote access. Some other
changes were made, like the deletion of redundant pages.
Story: 2010738
Task: 49561
Change-Id: Ie8206ecd316efd356a5889899a68f9a9ddbcdfa6
Signed-off-by: Joao Victor Portal <Joao.VictorPortal@windriver.com>